LIGHT-EMITTING COMPONENT AND METHOD FOR PRODUCING A LIGHT-EMITTING COMPONENT

1 . A light-emitting component, comprising:

a first electrode;

an organic electroluminescent layer structure on or above the first electrode;

a second translucent electrode on or above the organic electroluminescent layer structure;

an optically translucent layer structure on or above the second electrode, wherein the optically translucent layer structure includes photoluminescence material; and

a mirror layer structure on or above the optically translucent layer structure.

2 . The light-emitting component as claimed in claim 1 , further comprising one or a plurality of layers selected from:

an electrically insulating layer between the second electrode and the optically translucent layer structure; and/or

a barrier or encapsulation layer between the second electrode and the optically translucent layer structure.

3 . A light-emitting component, comprising:

a mirror layer structure;

an optically translucent layer structure on or above the mirror layer structure, wherein the optically translucent layer structure includes photoluminescence material;

a first translucent electrode on or above the optically translucent layer structure;

an organic electroluminescent layer structure on or above the first electrode; and

second electrode on or above the organic electroluminescent layer structure.

4 . The light-emitting component as claimed in claim 3 , further comprising one or a plurality of layers selected from:

an electrically insulating layer between the first electrode and the optically translucent layer structure; and/or

an encapsulation or barrier layer between the first electrode and the optically translucent layer structure.

5 . The light-emitting component as claimed in claim 1 ,

wherein the photoluminescence material includes a material from at least one of the following material groups:

organic dye molecules;

inorganic phosphors; and/or

nanodots or nanoparticles.

6 . The light-emitting component as claimed in claim 1 ,

wherein the optically translucent layer structure additionally includes one or a plurality of scattering materials.

7 . The light-emitting component as claimed in claim 1 ,

designed as an organic light-emitting diode, or as an organic light-emitting transistor.

8 . A method for producing a light-emitting component, the method comprising:

providing a first electrode;

forming an organic electroluminescent layer structure on or above the first electrode;

forming a second translucent electrode on or above the organic electroluminescent layer structure;

forming an optically translucent layer structure on or above the second electrode, wherein photoluminescence material is formed in the optically translucent layer structure; and

forming a mirror layer structure on or above the optically translucent layer.

9 . The method as claimed in claim 8 , further comprising:

forming an electrically insulating layer on or above the second electrode;

wherein the optically translucent layer structure is formed on or above the electrically insulating layer.

10 . A method for producing a light-emitting component, the method comprising:

providing a mirror layer structure;

forming an optically translucent layer structure on or above the mirror layer structure, wherein photoluminescence material is formed in the optically translucent layer structure;

forming a first translucent electrode on or above the optically translucent layer structure;

forming an organic electroluminescent layer structure on or above the first electrode; and

forming a second electrode on or above the organic electroluminescent layer structure.

11 . The method as claimed in claim 10 , further comprising at least one of:

forming an electrically insulating layer on or above the optically translucent layer structure;

wherein the first electrode is formed on or above the electrically insulating layer; and/or

forming an encapsulation or barrier layer between the first electrode and the optically translucent layer structure.

12 . The method as claimed in claim 8 , wherein a material from at least one of the following material groups is used as photoluminescence material:

organic dye molecules;

inorganic phosphors; and/or

nanodots or nanoparticles.

13 . The method as claimed in claim 8 , wherein the optically translucent layer structure additionally includes one or a plurality of scattering materials.

14 . The method as claimed in claim 8 , wherein the optically translucent layer structure is formed by means of vapor deposition.

15 . The method as claimed in claim 14 ,

wherein the photoluminescence material is embedded in situ into the optically translucent layer structure.

16 . The method as claimed in claim 8 , wherein the optically translucent layer structure is formed by means of a wet-chemical process.

17 . The method as claimed in claim 8 , wherein the light-emitting component is designed as an organic light-emitting diode, or as an organic light-emitting transistor.

18 . The light-emitting component as claimed in claim 3 ,

wherein the photoluminescence material includes a material from at least one of the following material groups:

organic dye molecules;

inorganic phosphors; and/or

nanodots or nanoparticles.

19 . The light-emitting component as claimed in claim 3 ,

wherein the optically translucent layer structure additionally includes one or a plurality of scattering materials.

20 . The light-emitting component as claimed in claim 3 ,

designed as an organic light-emitting diode, or as an organic light-emitting transistor.

21 . The method as claimed in claim 10 ,

wherein a material from at least one of the following material groups is used as photoluminescence material:

organic dye molecules;

inorganic phosphors; and/or

nanodots or nanoparticles.

22 . The method as claimed in claim 10 ,

wherein the optically translucent layer structure additionally includes one or a plurality of scattering materials.

23 . The method as claimed in claim 10 ,

wherein the optically translucent layer structure is formed by means of vapor deposition.

24 . The method as claimed in claim 23 ,

wherein the photoluminescence material is embedded in situ into the optically translucent layer structure.

25 . The method as claimed in claim 10 ,

wherein the optically translucent layer structure is formed by means of a wet-chemical process.

26 . The method as claimed in claim 10 ,

wherein the light-emitting component- is designed as an organic light-emitting diode, or as an organic light-emitting transistor.